Removing built up sealant?

[DinTulsa]

My current Rv is 7 years old now and I have added sealant to the seams over the years. I’m looking to remove a lot of the built of sealant next spring and lay down a new bead. Any recommendations? It’s a fiberglass rv and the sealant I’m taking about is on the vertical seams on the front cap.

Thanks

[larry_cad]

EricCO wrote:
I've had good luck using these scrapers along with a heat gun.


https://www.harborfreight.com/automotive/auto-body-trim/auto-body/4-piece-nonmarring-scraper-set-958...

Gotta get me some of them!

[EricCO]

I've had good luck using these scrapers along with a heat gun.


https://www.harborfreight.com/automotive/auto-body-trim/auto-body/4-piece-nonmarring-scraper-set-958...

[Vintage465]

kellem wrote:
Actually own a heat gun with a low setting that does the trick.
I also tape off before reapplying Dicor.

I also use a heat gun on a "carefull setting". That means a low setting and keep the gun moving back and forth. I also took an 1-1/2" putty knife and rounded the corners substantially and the "edge" and use that to scrape up the old material. Works fine, I can clean it right down to the rubber and not do any damage to the rubber....or should I say "noticable damage" cause we really don't know what goes on when applying heat to anything. But I beleive there is a better chance of cutting or tearing the roof without heat. Dont be impatient or in a hurry

[kellem]

Actually own a heat gun with a low setting that does the trick.
I also tape off before reapplying Dicor.

[mobilefleet]

a good multi tool is best. Doing it by hand with a scraper or putty knife takes forever. I have a makita cordless multi tool and would never go back. Lay down some frogtape when you are ready for the new sealant. Makes cleanup and clean lines much easier/less sloppy

[ken56]

Use the heat method....with the HAIR dryer not a heat gun.

[NamMedevac_70]

I have had some success using plastic razor blades and DAP caulk remover in a tube. Use the blades before and after using the DAP. Use tape to protect adjacent areas from DAP/old sealant goo with towels handy. Also done this with only blades and no DAP. Some say mineral spirits will work also. Good luck

[Lwiddis]

Warming up the sealant with a hairdryer eases removal. Not your wife’s! Ten bucks on Amazon.

[WNYBob]

I used an oscillating tool with a blade on it. Be careful not to scratch the fiberglas with to much pressure. Then finish with a plastic putty knife and solvent.
Take your time.
Good luck.

WNYBob